diff --git a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/permission/vo/role/RoleSaveReqVO.java b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/permission/vo/role/RoleSaveReqVO.java
index 46357c2d3..5c02a92da 100644
--- a/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/permission/vo/role/RoleSaveReqVO.java
+++ b/yudao-module-system/yudao-module-system-biz/src/main/java/cn/iocoder/yudao/module/system/controller/admin/permission/vo/role/RoleSaveReqVO.java
@@ -40,6 +40,7 @@ public class RoleSaveReqVO {
     private Integer status;
 
     @Schema(description = "备注", example = "我是一个角色")
+    @Size(max = 500, message = "备注长度不能超过 500 个字符")
     @DiffLogField(name = "备注")
     private String remark;